I visited Las Vegas for the first time on a girls' trip. Looking back, I could've easily avoided these 5 mistakes.

Tech Insider : Travel, Travel, Business
Woman smiling while playing slot machine
Las Vegas is an unforgettable time, but a little planning (and common sense) goes a long way.

KIRAYONAK YULIYA/Shutterstock

As a New York City local, there are 5 things I wish tourists would stop doing when they visit

Tech Insider : Travel, Business
Empty crosswalk in New York City
I've seen tourists make a lot of the same mistakes when they visit New York City.

Boris_Zec/Getty Images

I spent 3 days in Germany's famous Black Forest. Here are 4 things I did right — and 2 I wish I'd known before I went.

Tech Insider : Travel, Travel, Business
Author Timothy Moore and his husband smiling on hike in Germany
Germany's Black Forest is famous for supposedly inspiring many famous fairy-tales.

Timothy Moore

I visited Scottsdale for the first time in the spring. I made 3 mistakes that I'm still thinking about months later.

Tech Insider : Travel, Travel, Business
The author in a cowboy hat and sunglasses stands smiling in front of cacti and an adobe building in Scottsdale
Business Insider's reporter visited Scottsdale, Arizona, in the spring and made a few mistakes.

Joey Hadden/Business Insider

I've spent 400 hours road-tripping 2,800 miles around the US. These are the biggest mistakes I've made.

Tech Insider : Travel, Travel, Business
A road with trees on either side and mountains in the background on a cloudy day
The author has road-tripped through 30 states around the US and has some regrets.

Joey Hadden/Business Insider

10 things I wish I'd done differently on my first cruise, from booking a better room to avoiding specialty restaurants

Tech Insider : Travel, Travel
The author stares at food in a restaurant (L) an arrow pointing out the window of the stateroom
Business Insider's reporter took her first cruise on board Royal Caribbean's Wonder of the Seas.

Joey Hadden/Business Insider

I'm an American who has visited Scotland around a dozen times. Here are the 3 biggest mistakes I see tourists make.

Tech Insider : Travel, Travel
A woman and dog sit on a rock overlooking a lighthouse and the sea, left, and a waterfall, right.
Helene Sula is a travel blogger from Texas.

Helene Sula

I took 36 flights in 4 months, and it was exhausting. These were my 2 biggest mistakes.

Tech Insider : Travel, Travel
A woman wearing sunglasses crouches down on rocks before a green lake and mountain peaks.
Anu Verma has been on multiple solo trips, traveling to 36 countries in the space of four months.

Anu Verma

I traveled 33 hours to Vietnam but was denied entry because of a common travel mistake I'll never make again

Tech Insider : Travel, Travel
The back of a blond woman wearing a backpack while carrying a plane ticket and passport in an airport in Thailand.
The author, not pictured, made a travel mistake that almost derailed her travel plans.

Pyrosky/Getty Images

A dad who has been taking family road trips for 13 years says these are the 5 biggest mistakes he's made in the car

Tech Insider : Travel, Travel
A family of four sitting smiling in a sedan with black interiors
Rob Taylor has made a few mistakes while roadtripping over 30,000 miles with his family of four.

2 Travel Dads

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